On Fri, Jun 22, 2012 at 12:28 AM, Kuo Hugo <tonyt...@gmail.com> wrote: > Hi Folks , > > I'm in progress of swift QA. > > Also interesting about the number of PUT/GET operation in your swift-bench > configuration. > > Well , I thought that swift should handle as much as I set in bench.conf. > > However , the performance degradation came after 40000+ > > Does my configuration reasonable in your mind ? > > [bench] > auth = http://%swift_ip%:8082/auth/v1.0 > user = admin:admin > key = admin > concurrency = 100 > object_size = 4 > num_objects = 100000 > num_gets = 100000 > delete = yes > > > The performance degradation of swift > PUT result from 1200/s to 400/s > GET result from 1800/s to 800/s (but failures around 400) > DELETE result from 800/s to 300/s (lots of failures) > > 1. Does my configuration is reasonable in reality ? You didn't give us the configuration of you Swift. :) > > 2. I saw that most of failures is been log as "object-server failled to > connect to %storage_ip%:%port&/%device% ... connection timeout(0.5)" > What's the reason cause the kind of timeout? Also the loading is very > low at this period and almost 0 request send to storage-nodes. > > 3. Another odd behavior , swift proxy does not consistent send requests to > storage-nodes . In my 100000 PUT period. The storage-node's loading is > not balanced . > It might in 70% loading and 10% in next second. Seems is a periodically > behavior. > I'm really confusing about this issue. One generic suggestion is you may try turning auditor/replicator service and re-do your test to see if it performs any better. > > > > -- > +Hugo Kuo+ > tonyt...@gmail.com > +886 935004793 > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
-- Regards Huang Zhiteng _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp